12780963494 has 32 divisors (see below), whose sum is σ = 21898338336. Its totient is φ = 5542341120.

The previous prime is 12780963479. The next prime is 12780963509. The reversal of 12780963494 is 49436908721.

It is an interprime number because it is at equal distance from previous prime (12780963479) and next prime (12780963509).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234824 + ... + 284084.

It is an arithmetic number, because the mean of its divisors is an integer number (684323073).

Almost surely, 2^12780963494 is an apocalyptic number.

12780963494 is a deficient number, since it is larger than the sum of its proper divisors (9117374842).

12780963494 is a wasteful number, since it uses less digits than its factorization.

12780963494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49880.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 12780963494 in words is "twelve billion, seven hundred eighty million, nine hundred sixty-three thousand, four hundred ninety-four".